bool operator()(const CSSSelector& selector)
{
if (selector.match() == CSSSelector::Tag && selector.tagQName().prefix() != nullAtom && selector.tagQName().prefix() != starAtom)
return true;
if (selector.isAttributeSelector() && selector.attribute().prefix() != nullAtom && selector.attribute().prefix() != starAtom)
return true;
return false;
}
static inline bool selectorListContainsUncommonAttributeSelector(const CSSSelector* selector)
{
CSSSelectorList* selectorList = selector->selectorList();
if (!selectorList)
return false;
for (CSSSelector* subSelector = selectorList->first(); subSelector; subSelector = CSSSelectorList::next(subSelector)) {
if (subSelector->isAttributeSelector())
return true;
}
return false;
}
void RuleFeatureSet::extractInvalidationSetFeature(const CSSSelector& selector, InvalidationSetFeatures& features)
{
if (selector.m_match == CSSSelector::Tag)
features.tagName = selector.tagQName().localName();
else if (selector.m_match == CSSSelector::Id)
features.id = selector.value();
else if (selector.m_match == CSSSelector::Class)
features.classes.append(selector.value());
else if (selector.isAttributeSelector())
features.attributes.append(selector.attribute().localName());
else if (selector.isCustomPseudoElement())
features.customPseudoElement = true;
}
bool RuleFeatureSet::extractInvalidationSetFeature(const CSSSelector& selector, InvalidationSetFeatures& features)
{
if (selector.match() == CSSSelector::Tag && selector.tagQName().localName() != starAtom)
features.tagName = selector.tagQName().localName();
else if (selector.match() == CSSSelector::Id)
features.id = selector.value();
else if (selector.match() == CSSSelector::Class)
features.classes.append(selector.value());
else if (selector.isAttributeSelector())
features.attributes.append(selector.attribute().localName());
else if (selector.pseudoType() == CSSSelector::PseudoWebKitCustomElement)
features.customPseudoElement = true;
else if (selector.pseudoType() == CSSSelector::PseudoBefore || selector.pseudoType() == CSSSelector::PseudoAfter)
features.hasBeforeOrAfter = true;
else
return false;
return true;
}
static bool isSkippableComponentForInvalidation(const CSSSelector& selector)
{
if (selector.m_match == CSSSelector::Tag
|| selector.m_match == CSSSelector::Id
|| selector.isAttributeSelector())
return true;
if (selector.m_match == CSSSelector::PseudoElement) {
switch (selector.pseudoType()) {
case CSSSelector::PseudoBefore:
case CSSSelector::PseudoAfter:
case CSSSelector::PseudoBackdrop:
case CSSSelector::PseudoShadow:
return true;
default:
return selector.isCustomPseudoElement();
}
}
if (selector.m_match != CSSSelector::PseudoClass)
return false;
switch (selector.pseudoType()) {
case CSSSelector::PseudoEmpty:
case CSSSelector::PseudoFirstChild:
case CSSSelector::PseudoFirstOfType:
case CSSSelector::PseudoLastChild:
case CSSSelector::PseudoLastOfType:
case CSSSelector::PseudoOnlyChild:
case CSSSelector::PseudoOnlyOfType:
case CSSSelector::PseudoNthChild:
case CSSSelector::PseudoNthOfType:
case CSSSelector::PseudoNthLastChild:
case CSSSelector::PseudoNthLastOfType:
case CSSSelector::PseudoLink:
case CSSSelector::PseudoVisited:
case CSSSelector::PseudoAnyLink:
case CSSSelector::PseudoHover:
case CSSSelector::PseudoDrag:
case CSSSelector::PseudoFocus:
case CSSSelector::PseudoActive:
case CSSSelector::PseudoChecked:
case CSSSelector::PseudoEnabled:
case CSSSelector::PseudoDefault:
case CSSSelector::PseudoDisabled:
case CSSSelector::PseudoOptional:
case CSSSelector::PseudoRequired:
case CSSSelector::PseudoReadOnly:
case CSSSelector::PseudoReadWrite:
case CSSSelector::PseudoValid:
case CSSSelector::PseudoInvalid:
case CSSSelector::PseudoIndeterminate:
case CSSSelector::PseudoTarget:
case CSSSelector::PseudoLang:
case CSSSelector::PseudoRoot:
case CSSSelector::PseudoScope:
case CSSSelector::PseudoInRange:
case CSSSelector::PseudoOutOfRange:
case CSSSelector::PseudoUnresolved:
return true;
default:
return false;
}
}